Ice Fortes A D, Wood I G, Grigoriev D, Alfredsson M, Kipfstuhl S, Knight K S, Smith R I Journal of Chemical Physics 120 (2004) 11376-11379 No evidence for large-scale proton ordering in Antarctic ice from powder neutron diffraction Note: T = 100 K Note: known as ice-IH Locality: Kohen Station, Antarctica _database_code_amcsd 0018366 CELL PARAMETERS: 4.4975 4.4975 7.3224 90.000 90.000 120.000 SPACE GROUP: P6_3/mmc X-RAY WAVELENGTH: 1.541838 Cell Volume: 128.269 Density (g/cm3): 0.933 MAX. ABS. INTENSITY / VOLUME**2: 4.355433014 RIR: 1.520 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 22.83 100.00 3.8949 1 0 0 6 24.31 56.35 3.6612 0 0 2 2 25.91 57.57 3.4387 1 0 1 12 33.59 27.90 2.6677 1 0 2 12 40.10 53.19 2.2487 1 1 0 6 43.77 45.06 2.0682 1 0 3 12 46.64 5.70 1.9475 2 0 0 6 47.45 24.57 1.9162 1 1 2 12 48.36 6.07 1.8820 2 0 1 12 53.28 2.73 1.7194 2 0 2 12 60.85 11.32 1.5223 2 0 3 12 63.16 4.39 1.4721 2 1 0 12 64.57 3.32 1.4433 2 1 1 24 68.44 7.52 1.3708 1 0 5 12 68.72 2.89 1.3659 2 1 2 24 72.85 4.18 1.2983 3 0 0 6 75.40 8.87 1.2606 2 1 3 24 78.10 2.94 1.2237 3 0 2 12 82.39 3.47 1.1705 2 0 5 12 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.